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Old 05-09-2013, 02:58 PM   #61
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Yes it hesitates when cold a little (like not having the right gas/ air mixture), until I get to about 2 streets corners away, then the engine sound isn't really louder, but changing to a bassier tone, and from there no more hesitations.

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Old 05-09-2013, 03:05 PM   #62
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Everyone should drive an old carbureted 350 with a manuel choke. And then you'll see how long it really takes to warm up an engine
Try a cammed-up Ford 289 with chokeless dual quads sometime.

Nobody will ever steal it from me if it's cold.

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Old 05-09-2013, 03:59 PM   #63
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Not at all.....in fact, if I could already be moving while starting I would be....
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Old 05-09-2013, 07:06 PM   #64
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I've noticed that My JK warms up very quickly. Before I get out of the garage at my office it can be almost at operating temperature. I've never seen another vehicle warm up that quick. Anyone else notice this?
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Old 05-09-2013, 07:25 PM   #65
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30 seconds, idling takes more time to warm up.
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Old 05-12-2013, 03:54 PM   #66
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I've noticed that My JK warms up very quickly. Before I get out of the garage at my office it can be almost at operating temperature. I've never seen another vehicle warm up that quick. Anyone else notice this?
Mine warms pretty quick too. It's usually at OPTemp by the time I'm at the end of my street (about 100+ yds). At first I thought something was wrong, but everything is 5x5.
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Old 09-25-2013, 04:39 PM   #67
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Until the bluetooth on the headunit has decided it's time to connect and I start my music, then I'm off.
Haha I do the exact same thing in my TJ!
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Old 09-26-2013, 12:32 PM   #68
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Just long enough for the RPM to drop below 1K and get oil into the engine and im on my way to work
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Old 09-26-2013, 12:37 PM   #69
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The days of warming a car up are long gone my friend. That is a practice from a past era. Start your car and go. You aren't going to hurt anything. Now, if you are just wanting the heat to be ready on a cold morning, that's another story. Mine only takes about 4 min or so at idle to get some good heat blowing. But if you are concerned with the safety of the engine at startup, you need not be.
This is what my Jeep mechanic brother told me a few years ago.
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Old 09-26-2013, 09:14 PM   #70
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I've noticed that My JK warms up very quickly. Before I get out of the garage at my office it can be almost at operating temperature. I've never seen another vehicle warm up that quick. Anyone else notice this?
Yep. In the winter, the JK blows heat out of the vents faster than any car I've owned. By the time I get to the end of my street... 1/4 mile or so... it is nice and toasty.
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Old 09-26-2013, 09:20 PM   #71
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The last vehicle I had that required any sort of warm up was a '91 Grand Wagoneer. It had a carburetor. Modern engines with modern multi-viscosity oils do not benefit from warm ups. It's an antiquated practice like the 3000-mile oil change. Like others said, avoid racing and burnouts until the engine gets up to temp but go ahead and drive it normally.
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Old 09-26-2013, 10:23 PM   #72
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This is a humorous thread. Do u live in Arizona or Northern Saskatchewan? Kind of makes for an important detail on wether or not one should allow their vehicle to warm up...
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Old 09-27-2013, 06:39 AM   #73
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As soon as I can see out the windshield--it is a start and go--this way I can fully enjoy the extra horsepower from the cold air injection and tight motor clearances.
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Old 09-27-2013, 06:45 AM   #74
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Oh yeah forgot the old Indian trick--for quicker windshield clearing at 20 below turn on the AC --it is actually like heater since it will blow relatively warm air in the 35 degree --pure physics man
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Old 09-27-2013, 06:49 AM   #75
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Keeping my lift small enough to Fit in the garage so I don't need to warm up during PA winters. Otherwise I usually hit the remote start and let it warm up for the 15 seconds it takes to get to the jeep.
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Old 09-27-2013, 09:57 AM   #76
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No need to warm it up. If you worry about oil circ and engine component wear on start up switch to synthetic oil for peace of mind.










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Old 09-27-2013, 10:17 AM   #77
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I allow the temperature gauge to lift off of its off position. I will drive until the coolant temperature reaches operating temperature then I hammer it. I do this because the oil is also used for cooling not just lubrication and since the coolant is taking heat way from areas where the oil is cooling it tells me the oil is hot. The second reason I wait is due to thermal expansion. An increased amount of blow by will occur when when the engine is cold so I just hold off because fuel and oil don't like to touch each other.

That is just what I have observed working with all kinds of diesel engines as a marine engineer.
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Old 09-27-2013, 11:07 AM   #78
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I allow the temperature gauge to lift off of its off position. I will drive until the coolant temperature reaches operating temperature then I hammer it. I do this because the oil is also used for cooling not just lubrication and since the coolant is taking heat way from areas where the oil is cooling it tells me the oil is hot. The second reason I wait is due to thermal expansion. An increased amount of blow by will occur when when the engine is cold so I just hold off because fuel and oil don't like to touch each other.

That is just what I have observed working with all kinds of diesel engines as a marine engineer.
The coolant temp gauge doesn't really have a whole lot to do with oil temp. Just because the coolant reads warm, doesn't mean the oil is too. If you've ever owned a vehicle with gauges for both, you'd see very quickly what I mean. Oil takes a significantly longer time to warm up to max operating temp than coolant does. Especially in cold winter weather.

Also, unless there is something wrong with your engine, you should not be experiencing a noticeable amount of blowby when cold. In other words, you shouldn't notice fuel in your oil.
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Old 09-27-2013, 12:02 PM   #79
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Oil temperature sensors are notorious for reading incorrectly. This is because of the cold oil that can get trapped in sensing lines.

Maybe this one reason they are gone from cars.
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Old 09-27-2013, 10:27 PM   #80
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I allow the temperature gauge to lift off of its off position. I will drive until the coolant temperature reaches operating temperature then I hammer it. I do this because the oil is also used for cooling not just lubrication and since the coolant is taking heat way from areas where the oil is cooling it tells me the oil is hot. The second reason I wait is due to thermal expansion. An increased amount of blow by will occur when when the engine is cold so I just hold off because fuel and oil don't like to touch each other.

That is just what I have observed working with all kinds of diesel engines as a marine engineer.

What?
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Old 09-27-2013, 10:37 PM   #81
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Depends really on how cold it is, and what kind of oil you use. What you need to be worried about is oil flow - and at very cold temps, the viscosity is so low that the oil cannot flow adequately to lubricate properly.

At Freezing or just slightly below, I always give the engine at least 10-15 seconds to get oil running through before putting it in gear... The colder it gets, the longer you should wait.

If you're below zero (f) then you should wait about a minute.

This is especially true if you are using Dino oil - that stuff can practially turn to sludge at around 0 f.

I use mobile one synthetic "advanced protection" which is supposed to maintain flow better at cold temps even better than their normal synthetic - however, I still like to give it a min to warm up if it's very cold out.
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Old 09-28-2013, 11:49 AM   #82
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I don't since getting rid of my CJ5. The JK doesn't have a carburetor and doesn't need to 'warm up'.
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Old 09-28-2013, 01:11 PM   #83
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In winter months I hit the remote start for my comfort only. Like others have said this 3.6 warms up quicker than anything Ive even seen.
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Old 09-28-2013, 03:22 PM   #84
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The 3.6 warms up very fast. Even so, I run 1500 rpm until the oil reached 150F. In fact, I normally drive at 1800rpm. I like driving 55.

I wait for the high idle to settle down, then slowly drive off winter or summer. An oil pan heater will help out in winter. I plug mine in a half hour before I leave. The oil will be at 70 degrees. I'd run a good synthetic too.

I already had a Frantz oil bypass so putting a gauge in was easy. I like to know my psi and oil temp.

btw, oil temp lags water temp by a good bit.
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Old 09-28-2013, 03:27 PM   #85
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Oil temperature sensors are notorious for reading incorrectly. This is because of the cold oil that can get trapped in sensing lines.

Maybe this one reason they are gone from cars.
Huh???


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I already had a Frantz oil bypass so putting a gauge in was easy. I like to know my psi and oil temp.

btw, oil temp lags water temp by a good bit.
Exactly.
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Old 09-28-2013, 03:35 PM   #86
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Keeping my lift small enough to Fit in the garage so I don't need to warm up during PA winters. Otherwise I usually hit the remote start and let it warm up for the 15 seconds it takes to get to the jeep.
+1 except the TJ gets the garage. So I hit the remote start as Im walking out the door, then its maybe 30 sec to get in, strap in and go.
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Old 09-29-2013, 08:52 AM   #87
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I'm probably gonna take a good beating for this but;
WTF?
Some of the posts in this thread are just plain frickin' stupid. No two ways about it.
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Old 09-29-2013, 09:06 AM   #88
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I warm my 2007 up until the rpm's drop to or below 800, unless it's really cold and I want it warm as soon as I begin to drive then it's like 5 to 10 mins, never had any engine issues and I'm over 105,000 miles
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Old 09-29-2013, 09:12 AM   #89
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I thought the thread was a joke at first. I said no one would ask a question like this in 2013 I guess I was wrong. And then 87 me makes 88 others chimed in on this.
This forum has become? You guys do know there is a search on here you can use instead of asking questions you would never ask anyone in person.
If the OP doesn't know the answer to this he or she should not be able to drive.
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Old 09-29-2013, 09:17 AM   #90
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I thought the thread was a joke at first. I said no one would ask a question like this in 2013 I guess I was wrong. And then 87 me makes 88 others chimed in on this.
This forum has become? You guys do know there is a search on here you can use instead of asking questions you would never ask anyone in person.
If the OP doesn't know the answer to this he or she should not be able to drive.
For all we know it could be a 16 year old kid, I didn't read the whole thread but why not help someone out, it was probably harder to ask the question than answer it

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